#include<stdio.h>
#include<string.h>
#include<errno.h>

int main()
{
    int i = 0;
    for(; i < 200; i++)
    {
        printf("%d->%s\n", i, strerror(i));
    }


    //printf("hello world\n");

    FILE *fp = fopen("log.txt", "r");

    if(fp == NULL)
    {
        return errno;    
    }

    //读取
    fclose(fp);

    return 0;
}
